The Measurement of Intraocular Biomarkers in Various Stages of Proliferative Diabetic Retinopathy Using Multiplex xMAP Technology

Figure 1

Vascular endothelial growth factor levels for each group. Group 1: proliferative diabetic retinopathy (PDR) patients with no need for repeated surgical intervention; group 2: PDR patients with repeated vitreous bleeding, which is a less serious complication of PDR; group 3: PDR patients with refractory neovascular glaucoma, which is a serious complication of PDR; group 0: control group.